The term North American Mountain(s) can be summarized by the crossword solution 'ROCKY' which is a five letter word. The ROCKY Mountains are a major mountain range in western North America, extending 3, 000 miles from British Columbia in Canada to New Mexico in the United States. The ROCKY Mountains are composed of several smaller ranges, including the Front Range, the Park Range, the Sawatch Range, and the San Juan Mountains. The highest peak in the ROCKY Mountains is Mount Elbert in Colorado at 14, 440 feet.